Stroke detection structure, enclosure device, protection system and injection molding machine equipment

Abstract

The present invention relates to the technical field of electrical equipment protection, and specifically discloses a travel detection structure, an enclosure device, a protection system and an injection molding machine. The structure includes a fixed member and a rotating member capable of swinging relative to the fixed member; the first travel switch includes a first switch body, a first pressing rod rotatably connected to the first switch body, and a first elastic member for driving the first pressing rod to rotate towards the closing plane; the second travel switch includes a second switch body, a second pressing rod rotatably connected to the second switch body, and a second elastic member for driving the second pressing rod to move to the second in-place position. When the rotating member is in the closed position, the first pressing rod is located at the first in-place position and presses against the rotating member, and the second pressing rod is located at the second in-place position; when the first pressing rod is located at the first in-place position and the second pressing rod is located at the second in-place position, the travel detection structure is in a normal state, otherwise it is in an abnormal state. This structure realizes the position control of the rotating member and meets the safety protection requirements.

Description

Technical Field

[0001] The present invention relates to the technical field of electrical equipment protection, and in particular to a stroke detection structure, an enclosure device, a protection system and an injection molding machine device. Background Art

[0002] An injection molding machine is also known as an injection molding machine or an injection machine. It is the main molding equipment for making various shaped plastic products from thermoplastic or thermosetting plastics using plastic molding dies, and is divided into vertical, horizontal and all-electric types. The injection molding machine can heat the plastic, apply high pressure to the molten plastic, and inject it to fill the mold cavity.

[0003] In the existing injection molding machine, the feeding and discharging are both manually operated, which not only consumes the labor of production personnel and has low efficiency, but also causes health damage to production personnel due to the released substances during the feeding and discharging process.

[0004] In the prior art, the electrical protection of the injection molding machine is often achieved by setting an enclosure device. The enclosure door is locked by an electromagnetic lock, and an insurance unit is provided on the electromagnetic lock. After the operator opens the electromagnetic lock and releases the insurance unit, the enclosure door can be opened. After receiving the information that the electromagnetic lock is opened and the insurance unit is released at the same time, the control module of the injection molding machine determines that the enclosure door is opened, and then controls the injection molding machine and the feeding and discharging device to stop automatic operation. However, the above-mentioned enclosure device judges the opening and closing situation of the enclosure door too simply. Once a failure occurs at the electromagnetic lock, it is very easy to cause misjudgment by the control module, resulting in the injection molding machine and the feeding and discharging device not being able to operate according to the predetermined situation. Therefore, the existing enclosure device cannot meet the safety protection requirements for the operation of injection molding machines in the industry, bringing serious safety hazards to the working environment of operators. Summary of the Invention

[0005] The purpose of the present invention is to provide a stroke detection structure, an enclosure device, a protection system and an injection molding machine device to accurately grasp the opening and closing situation of the enclosure door by the control module and meet the safety protection requirements.

[0006] To achieve this purpose, the present invention adopts the following technical solutions:

[0007] The stroke detection structure includes a rotating member, a fixed member, a first stroke switch, and a second stroke switch; the rotating member can swing relative to the fixed member about a rotation axis between a closed position and an open position, and the rotating member in the closed position is located in a closed plane; the first stroke switch includes a first switch body, a first elastic member, and a first pressing rod, the first switch body is fixedly connected to the fixed member, the first pressing rod is rotatably connected to the first switch body, the first elastic member is used to drive the first pressing rod to rotate towards the closed plane, when the rotating member is in the closed position, the first pressing rod is located at a first in-place position and presses against one side of the rotating member away from the rotation axis; the second stroke switch includes a second switch body, a second elastic member, and a second pressing rod, the second switch body is fixedly connected to the fixed member, the second pressing rod is rotatably connected to the second switch body, the second elastic member is used to drive the second pressing rod to move to a second in-place position, and one side of the rotating member close to the rotation axis can push the second pressing rod, when the rotating member is in the closed position, the second pressing rod is located at the second in-place position; when the first pressing rod is located at the first in-place position and the second pressing rod is located at the second in-place position, the stroke detection structure is in a normal state, otherwise the stroke detection structure is in an abnormal state.

[0008] As a preferred technical solution of the stroke detection structure, both the first stroke switch and the second stroke switch are arranged on one side of the closed plane, and the open position is located on the other side of the closed plane.

[0009] The enclosure device includes a door lock assembly, a control module, and the above-mentioned stroke detection structure; the fixed member includes an enclosure fence, and the enclosure fence is provided with an inlet and outlet; the rotating member includes an enclosure door, and the enclosure door selectively opens and closes the inlet and outlet; the door lock assembly has a locked state and an unlocked state, when the door lock assembly is in the locked state, the rotating member in the closed position cooperates with the enclosure fence to be locked; the control module is communicatively connected to the door lock assembly and the stroke detection structure, when the stroke detection structure is in the normal state and the door lock assembly is in the locked state, the control module outputs an indication signal of the working mode; otherwise the control module outputs an indication signal of the stop mode.

[0010] As a preferred technical solution of the enclosure device, the door lock assembly includes an electromagnetic lock and an operation key; one side of the enclosure door close to the rotation axis is hinged to the enclosure fence through a rotating hinge, an operation key is movably installed on the side of the enclosure door away from the rotation axis, and the electromagnetic lock is installed on the enclosure fence, when the door lock assembly is in the locked state, the operation key is matched and locked to the electromagnetic lock.

[0011] As a preferred technical solution of the enclosure device, one side of the closed plane is the outer side and the other side is the inner side; the door lock assembly, the first travel switch and the second travel switch are all arranged on the inner side, and the open position is on the outer side.

[0012] As a preferred technical solution of the enclosure device, the enclosure device further includes a control panel, the control panel is installed on the enclosure fence, and an opening and closing switch is arranged on the control panel, and the opening and closing switch is used to control the door lock assembly to switch between the locked state and the unlocked state.

[0013] As a preferred technical solution of the enclosure device, an indicator light is arranged on the opening and closing switch. When the control module outputs an indication signal of the working mode, the indicator light goes out. When the control module outputs an indication signal of the stop mode, the indicator light lights up.

[0014] As a preferred technical solution of the enclosure device, an emergency stop switch communicatively connected to the control module is further arranged on the control panel, and the emergency stop switch is used to control the control module to output an indication signal of the stop mode.

[0015] A protection system includes a working module and the above-mentioned enclosure device. The working module is communicatively connected to the control module. When the control module outputs an indication signal of the working mode, the working module maintains operation. When the control module outputs an indication signal of the stop mode, the working module stops operating.

[0016] An injection molding machine device includes a loading and unloading device and an injection molding machine body that are communicatively connected. The injection molding machine body includes the above-mentioned protection system. The injection molding machine body and the enclosure fence enclose a protection space. The loading and unloading device is placed in the protection space. When the control module outputs an indication signal of the working mode, the loading and unloading device maintains operation. When the control module outputs an indication signal of the stop mode, the loading and unloading device stops operating.

[0017] Advantages of the present invention:

[0018] By setting the first travel switch and the second travel switch, the travel detection structure can perform travel detection at positions with different distances from the rotation axis of the rotating member. The above detection operation avoids the similarity of detection parameters by the difference in detection positions, and can support the accuracy of the detection results. By respectively matching the first travel switch and the second travel switch with both sides of the rotating member, it is convenient to determine the instantaneous position of the entire rotating member, which helps to directly control the positions of both sides of the rotating member. Moreover, it can also judge whether the rotating member itself is deformed according to the detection results, thus achieving the detection purpose of the rotating member. Only when the first pressure rod is in the first in-place position and the second pressure rod is in the second in-place position is regarded as the normal state of the travel detection structure, so that only the predetermined movement trajectory of the rotating member is regarded as the normal operating condition, thereby avoiding the occurrence of the situation of the position deviation of the rotating member and ensuring that the rotating member can move smoothly according to the predetermined trajectory.

[0019] By setting the door lock assembly, the enclosure device realizes the cooperation and locking between the enclosure door and the enclosure fence, ensuring that the enclosure door can be opened and closed smoothly. With the design that the door lock assembly is communicatively connected to the control module, it can accurately feedback the working situation of the door lock assembly to the control module, thereby obtaining the feedback result of the opening and closing state detection of the enclosure door. By combining the travel detection structure and the door lock assembly, the effective monitoring of the opening and closing state of the enclosure door can be realized. When the control module outputs an instruction signal in the stop mode, it is judged that the enclosure door is open at this time. Considering the safety factors of the working environment, it is necessary to stop the running working equipment by cutting off the power circuit to avoid the safety hazards brought by the operation of the equipment to the operator. When the control module outputs an instruction signal in the working mode, it is judged that the enclosure door is closed at this time, and the safety hazard of the operator no longer exists. At this time, the stopped working equipment can be restarted. With the above structural layout, the double safety protection of the enclosure device can be realized, the electrical protection ability is improved, and the safety protection requirements are met. Only when the travel detection structure is in the normal state and the door lock assembly is in the locked state is regarded as the normal state of the travel detection structure, so that only the predetermined movement trajectory of the enclosure door is regarded as the normal operating condition, and the control module only outputs an instruction signal in the working mode based on the above premise, ensuring that the enclosure door can move smoothly according to the predetermined trajectory and avoiding the accidental start of the working equipment.

[0020] With the communicative connection between the working module and the control module, the protection system enables the instruction signal output by the control module to directly issue an instruction to the working module to control the working module to maintain operation or stop operation, thereby ensuring the automation degree of the protection system, reducing the risk of the working module being out of control, reducing the hidden danger of damage caused by the working module, and ensuring the personal safety of the operator.

[0021] Through the design of enclosing a protective space, the injection molding machine equipment achieves the purpose of protecting the loading and unloading device, reduces the risk of the loading and unloading device damaging the working environment, and improves the safety level of the working environment. By means of the design that the control module can synchronously control the working modules on the loading and unloading device and the injection molding machine body, the consistency of the actions of the injection molding machine equipment is improved, and the loading and unloading device can be controlled to maintain operation or stop running. The above improvements reduce the risk of the loading and unloading device being out of control, reduce the potential hazards caused by the loading and unloading device, ensure the automation level of the injection molding machine equipment, and further protect the personal safety of the operators. Description of the Drawings

[0022] Figure 1 is a schematic structural view of the enclosing device provided by an embodiment of the present invention from a first perspective;

[0023] Figure 2 is Figure 1 a partial enlarged view of A in

[0024] Figure 3 is a schematic structural view of the enclosing device provided by an embodiment of the present invention from a second perspective;

[0025] Figure 4 is Figure 3 a partial enlarged view of B in

[0026] Figure 5 is Figure 3 a partial enlarged view of C in

[0027] In the figure:

[0028] 100, enclosing door; 101, second abutting member; 102, first abutting member;

[0029] 200, enclosing fence; 210, enclosing frame; 220, door frame board; 230, protective board; 240, support seat; 250, support column; 260, first connecting member; 270, second connecting member;

[0030] 310, opening and closing switch; 320, emergency stop switch; 330, electromagnetic lock; 340, operation key; 350, first travel switch; 360, second travel switch. Detailed Embodiments

[0031] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0032] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. These are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions. Moreover, the first feature being "above", "over" and "on" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature has a higher horizontal height than the second feature. The first feature being "below", "under" and "beneath" the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicating that the first feature has a lower horizontal height than the second feature.

[0033] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "mounted", "connected" and "coupled" shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for explaining the present invention and should not be construed as a limitation to the present invention.

[0035] As Figures 1 to 5As shown in the figure, this embodiment provides a stroke detection structure, which includes a rotating member, a fixed member, a first stroke switch 350, and a second stroke switch 360; the rotating member can swing relative to the fixed member around the rotation axis between a closed position and an open position, and the rotating member in the closed position is located in the closed plane; the first stroke switch 350 includes a first switch body, a first elastic member, and a first pressing rod, the first switch body is fixedly connected to the fixed member, the first pressing rod is rotatably connected to the first switch body, the first elastic member is used to drive the first pressing rod to rotate towards the closed plane, when the rotating member is in the closed position, the first pressing rod is located at the first in-place position and presses against the side of the rotating member away from the rotation axis; the second stroke switch 360 includes a second switch body, a second elastic member, and a second pressing rod, the second switch body is fixedly connected to the fixed member, the second pressing rod is rotatably connected to the second switch body, the second elastic member is used to drive the second pressing rod to move to the second in-place position, and the side of the rotating member close to the rotation axis can push the second pressing rod, when the rotating member is in the closed position, the second pressing rod is located at the second in-place position; when the first pressing rod is located at the first in-place position and the second pressing rod is located at the second in-place position, the stroke detection structure is in a normal state, otherwise the stroke detection structure is in an abnormal state.

[0036] By setting the first stroke switch 350 and the second stroke switch 360, the stroke detection can be carried out at positions with different distances from the rotation axis of the rotating member. The above detection operations avoid the similarity of detection parameters through the difference in detection positions, and can support the accuracy of the detection results. By matching the first stroke switch 350 and the second stroke switch 360 with the two sides of the rotating member respectively, it is convenient to determine the instantaneous position of the whole rotating member, which helps to directly control the positions of the two sides of the rotating member; moreover, it can also judge whether the rotating member itself is deformed according to the detection results, thus achieving the detection purpose of the rotating member. Only when the first pressing rod is located at the first in-place position and the second pressing rod is located at the second in-place position is regarded as the normal state of the stroke detection structure, so that only the predetermined movement trajectory of the rotating member is regarded as the normal operating condition, thereby avoiding the occurrence of the situation of the position deviation of the rotating member and ensuring that the rotating member can move smoothly according to the predetermined trajectory.

[0037] In this embodiment, both the first stroke switch 350 and the second stroke switch 360 are arranged on one side of the closed plane, and the open position is on the other side of the closed plane.

[0038] The above design defines the layout positions of the first travel switch 350 and the second travel switch 360, as well as the rotation range of the rotating member, reducing the space occupied by the travel detection structure, avoiding the situation of position conflicts between the rotating member and the first travel switch 350 and the second travel switch 360, reducing the impact generated when the rotating member collides with the first travel switch 350 and between the rotating member and the second travel switch 360, reducing the risk of damage to the first travel switch 350 and the second travel switch 360, and reducing the rotation difficulty of the rotating member.

[0039] This embodiment also provides an enclosure device, including a door lock assembly, a control module, and the above travel detection structure; the fixing member includes an enclosure fence 200, and the enclosure fence 200 is provided with an inlet and outlet; the rotating member includes an enclosure door 100, and the enclosure door 100 selectively opens and closes the inlet and outlet; the door lock assembly has a locked state and an unlocked state. When the door lock assembly is in the locked state, the rotating member located at the closed position cooperates with the enclosure fence 200 to be locked; the control module is communicatively connected to the door lock assembly and the travel detection structure. When the travel detection structure is in a normal state and the door lock assembly is in the locked state, the control module outputs an indication signal of the working mode; otherwise, the control module outputs an indication signal of the stop mode.

[0040] By setting the door lock assembly, the enclosure device realizes the cooperative locking of the enclosure door 100 and the enclosure fence 200, ensuring that the enclosure door 100 can be opened and closed smoothly. With the design that the door lock assembly is communicatively connected to the control module, it can accurately feedback the working condition of the door lock assembly to the control module, thereby obtaining the result of detecting the opening and closing state of the enclosure door 100. By combining the travel detection structure and the door lock assembly, the effective monitoring of the opening and closing state of the enclosure door 100 can be realized. When the control module outputs an indication signal of the stop mode, it is judged that the enclosure door 100 is open at this time. Considering the safety factors of the working environment, it is necessary to stop the running working equipment by cutting off the power circuit to avoid the safety hazards brought by the operation of the equipment to the operator; when the control module outputs an indication signal of the working mode, it is judged that the enclosure door 100 is closed at this time, and the safety hazards of the operator no longer exist. At this time, the stopped working equipment can be restarted. With the above structural layout, the double safety protection of the enclosure device can be realized, the electrical protection ability is improved, and the safety protection requirements are met. Only when the travel detection structure is in a normal state and the door lock assembly is in the locked state is regarded as the normal state of the travel detection structure, so that only the predetermined movement trajectory of the enclosure door 100 is regarded as the normal operating condition, and the control module only outputs an indication signal of the working mode based on the above preconditions, ensuring that the enclosure door 100 can move smoothly along the predetermined trajectory and avoiding the accidental start of the working equipment.

[0041] When the rotating member swings between the closed position and the open position, the surrounding closing door 100 can drive the stroke detection structure to switch between the normal state and the abnormal state; by means of the setting of the stroke detection structure, it is possible to judge the current position of the surrounding closing door 100 according to the drive of the surrounding closing door 100 on the stroke detection structure, so as to accurately grasp the opening and closing conditions of the surrounding closing door 100, which helps to improve the closing effect of the surrounding closing door 100 on the inlet and outlet.

[0042] Specifically, restarting the working equipment requires restarting the pump of the working equipment to continue the start-up cycle action.

[0043] In this embodiment, the door lock assembly includes an electromagnetic lock 330 and an operation key 340; one side of the surrounding closing door 100 close to the rotation axis is hinged to the surrounding enclosure 200 through a rotating hinge, an operation key 340 is movably installed on the side of the surrounding closing door 100 far from the rotation axis, and an electromagnetic lock 330 is installed on the surrounding enclosure 200. When the door lock assembly is in the locked state, the operation key 340 is locked to the electromagnetic lock 330 in a matching manner. The setting of the rotating hinge realizes the rotational connection between the surrounding closing door 100 and the surrounding enclosure 200, ensuring that the surrounding closing door 100 can rotate around the rotation axis. With the design of selectively locking and connecting the operation key 340 and the electromagnetic lock 330, it is ensured that the door lock assembly has a locked state and an unlocked state, and then the locking operation between the surrounding closing door 100 and the surrounding enclosure 200 can be realized.

[0044] Specifically, a lock catch unit is provided inside the electromagnetic lock 330; when the operation key 340 is locked to the electromagnetic lock 330 in a matching manner, a part of the operation key 340 extends into the electromagnetic lock 330, and the lock catch unit locks and fixes the operation key 340 to realize the locking of the surrounding closing door 100.

[0045] Exemplarily, one side of the closed plane is the outer side and the other side is the inner side; the door lock assembly, the first travel switch 350 and the second travel switch 360 are all arranged on the inner side, and the open position is located on the outer side.

[0046] With the design that the open position is located on the outer side, the surrounding closing door 100 opens outwards, so the consideration of the space reserved on the inner side is reduced, and the space layout of the surrounding enclosure device is improved. The design that the door lock assembly, the first travel switch 350 and the second travel switch 360 are all arranged on the inner side reduces the probability of position conflict between the travel switch and the surrounding closing door 100, reduces the risk of the above components being impacted externally, and improves the aesthetic degree of the appearance of the surrounding enclosure device.

[0047] Exemplarily, the first switch body is fixedly connected to the enclosing fence 200 through a first connecting member 260. A first abutting member 102 is fixedly connected to the side of the enclosing door 100 away from the rotation axis. A rotating member that swings between a closed position and an open position can selectively push a first pressing rod through the first abutting member 102. When the rotating member is in the closed position, the first abutting member 102 presses against the first pressing rod, driving the first pressing rod to move to a first in-place position. When the rotating member rotates towards the open position, the first abutting member 102 can be spaced from the first pressing rod.

[0048] The above design enables the first abutting member 102 to achieve the purpose of pushing the first pressing rod when contacting the first pressing rod, thereby meeting the position change requirements of the first travel switch 350, ensuring the stable operation of the first travel switch 350, guaranteeing the smooth switching of the position of the first pressing rod, and achieving accurate control of the position of the side of the enclosing door 100 provided with the operating key 340.

[0049] The second switch body is fixedly connected to the enclosing fence 200 through a second connecting member 270. A second abutting member 101 is fixedly connected to the side of the enclosing door 100 close to the rotation axis. A rotating member that swings between a closed position and an open position can selectively push a second pressing rod through the second abutting member 101.

[0050] The above design ensures that when the second abutting member 101 is spaced from the second pressing rod, the second pressing rod can be maintained at a second in-place position. When the rotating member rotates towards the open position, the second abutting member 101 can push the second pressing rod, causing the second pressing rod to displace and leave the second in-place position, thereby meeting the position change requirements of the second travel switch 360. The above design ensures the stable operation of the second travel switch 360, guarantees the smooth switching of the position of the second pressing rod, and achieves accurate control of the position of the side of the enclosing door 100 provided with the rotating hinge.

[0051] The above design clarifies the influence of the movement of the rotating member on the first pressing rod and the second pressing rod, enabling the relative positions of the rotating member, the first pressing rod, and the second pressing rod to be accurately adjusted, and ensuring the accuracy of the position switching of the first pressing rod and the second pressing rod.

[0052] Specifically, both the first elastic member and the second elastic member are springs.

[0053] In this embodiment, the enclosing device further includes a control panel, which is installed on the enclosing fence 200. An opening and closing switch 310 is provided on the control panel, and the opening and closing switch 310 is used to control the switching of the door lock assembly between a locked state and an unlocked state. The setting of the control panel realizes the interaction between the operator and the enclosing device, reducing the difficulty for the operator to operate the enclosing device. The setting of the opening and closing switch 310 enables the smooth operation of the door lock assembly, contributing to the efficient operation and accurate operation of the enclosing door 100.

[0054] In this embodiment, the electromagnetic lock 330 includes an electromagnetic coil, which has two functions: locking monitoring and detecting the opening and closing of the enclosure door 100. The control module can control the power circuit by detecting the signals fed back by these two functions, and thus the working state of the electromagnetic lock 330 can be displayed on the control panel.

[0055] When the enclosure door 100 is opened, the opening and closing switch 310 opens the latch unit inside the electromagnetic lock 330 by controlling the energization and attraction of the electromagnetic coil inside the electromagnetic lock 330, so that the operation key 340 can be pulled out and the enclosure door 100 can be opened. When the enclosure door 100 is closed, the opening and closing switch 310 locks the latch unit inside the electromagnetic lock 330 by controlling the power supply of the electromagnetic coil inside the electromagnetic lock 330 to stop.

[0056] Furthermore, an indicator light is provided on the opening and closing switch 310. When the control module outputs an indication signal of the working mode, the indicator light goes out. When the control module outputs an indication signal of the stop mode, the indicator light lights up. By associating the lighting and extinguishing of the indicator light with the opening and closing state of the enclosure door 100, it helps to improve the warning effect of the enclosure device, facilitates the operator to confirm in time whether the enclosure door 100 is accurately closed, improves the operation accuracy and work efficiency of the operator, enhances the safety level of the working environment, and reduces the risk of misoperation. At the same time, the design of arranging the opening and closing switch 310 on the indicator light reduces the space occupied by the control panel, reduces the difficulty of setting the indicator light, enhances the visibility of the indicator light, reduces the probability that the operator ignores the indicator light, and helps to ensure the smooth operation of the enclosure device.

[0057] Exemplarily, an emergency stop switch 320 communicatively connected to the control module is also provided on the control panel. The emergency stop switch 320 is used to control the control module to output an indication signal of the stop mode. The setting of the emergency stop switch 320 enables the operator to have the ability to urgently stop the working equipment. The above design enables the enclosure device to cope with emergency accidents, timely reduce the risks during the operation of the working equipment, reduce the probability of accidents, and reduce the safety hazards of the operator.

[0058] In this embodiment, the enclosure 200 includes an enclosure frame 210, a door frame plate 220, a protection plate 230, a support base 240, and a support column 250. The enclosure frame 210 forms a number of filling frames. One door frame plate 220 fills one filling frame, and each of the remaining filling frames is filled with a protection plate 230. The door frame plate 220 is penetrated with an inlet and outlet for operators to enter and exit. The above-mentioned enclosure frame 210, door frame plate 220, and protection plate 230 form a shielding part, which plays a protective role, blocks the diffusion trajectory of electricity, and reduces the risk of electric shock to operators. A support column 250 and a number of support bases 240 for support are also fixedly connected to the bottom of the enclosure frame 210, and the enclosure 200 can be matched and installed on external components through the support column 250.

[0059] Specifically, the control panel is arranged on the outer side; the first connecting piece 260 is fixedly connected to the enclosure frame 210, and the second connecting piece 270 is fixedly connected to the enclosure frame 210.

[0060] This embodiment also provides a protection system, including a working module and the above-mentioned enclosure device. The working module is communicatively connected to the control module. When the control module outputs an instruction signal of the working mode, the working module maintains operation. When the control module outputs an instruction signal of the stop mode, the working module stops operation.

[0061] With the communicative connection between the working module and the control module in this protection system, the instruction signal output by the control module can directly issue an instruction to the working module to control the working module to maintain operation or stop operation, thereby ensuring the automation level of the protection system, reducing the risk of the working module being out of control, reducing the potential hazard of the working module causing damage, and protecting the personal safety of operators.

[0062] This embodiment also provides an injection molding machine device, including a loading and unloading device and an injection molding machine body that are communicatively connected. The injection molding machine body includes the above-mentioned protection system. The injection molding machine body and the enclosure 200 enclose a protection space. The loading and unloading device is placed in the protection space. When the control module outputs an instruction signal of the working mode, the loading and unloading device maintains operation. When the control module outputs an instruction signal of the stop mode, the loading and unloading device stops operation.

[0063] Through the design of enclosing a protection space, this injection molding machine device achieves the purpose of protecting the loading and unloading device, reduces the risk of the loading and unloading device damaging the working environment, and improves the safety level of the working environment. With the design that the control module can synchronously control the working modules on the loading and unloading device and the injection molding machine body, the consistency of the actions of the injection molding machine device is improved, and the loading and unloading device can be controlled to maintain operation or stop operation. The above improvements reduce the risk of the loading and unloading device being out of control, reduce the potential hazard of the loading and unloading device causing damage, ensure the automation level of the injection molding machine device, and further protect the personal safety of operators.

[0064] When the enclosure door 100 is opened, the loading and unloading device and the injection molding machine body will synchronously exit the automatic operation state. At this time, the operator can only manually debug the loading and unloading device and the injection molding machine body.

[0065] In this embodiment, after receiving the information fed back by the stroke detection structure, the control module will output a high-level signal to the coil of the intermediate relay KA1, causing the contacts of KA1 to close and power the coil of the AC contactor KM1. The main contacts of KM1 close and start the servo control system on the injection molding machine body, and then the injection molding machine body starts to run.

[0066] When the enclosure door 100 is opened, the control module controls the coil of the intermediate relay KA1 to stop outputting a high-level signal. At this time, the servo system cannot be started and the injection molding machine body stops running.

[0067] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the embodiments of the present invention. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all the embodiments here. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. Stroke detection structure, characterized in that, Comprising: A rotating member and a fixed member, the rotating member being capable of swinging relative to the fixed member about a rotation axis between a closed position and an open position, and the rotating member in the closed position being located within a closing plane; A first travel switch (350), comprising a first switch body, a first elastic member, and a first pressing rod, the first switch body being fixedly connected to the fixed member, the first pressing rod being rotatably connected to the first switch body, the first elastic member being configured to drive the first pressing rod to rotate towards the closing plane, and when the rotating member is in the closed position, the first pressing rod is located at a first in-place position and presses against a side of the rotating member away from the rotation axis; A second travel switch (360), comprising a second switch body, a second elastic member, and a second pressing rod, the second switch body being fixedly connected to the fixed member, the second pressing rod being rotatably connected to the second switch body, the second elastic member being configured to drive the second pressing rod to move to a second in-place position, and a side of the rotating member close to the rotation axis being capable of pushing the second pressing rod, and when the rotating member is in the closed position, the second pressing rod is located at the second in-place position; When the first pressing rod is located at the first in-place position and the second pressing rod is located at the second in-place position, the travel detection structure is in a normal state, otherwise the travel detection structure is in an abnormal state; The fixed member includes an enclosing fence (200) having an inlet / outlet passing therethrough; the rotating member includes an enclosing door (100) selectively opening and closing the inlet / outlet; A first abutting member (102) is fixedly connected to a side of the enclosing door (100) away from the rotation axis, and the rotating member swinging between the closed position and the open position can selectively push the first pressing rod through the first abutting member (102). When the rotating member is in the closed position, the first abutting member (102) presses against the first pressing rod, driving the first pressing rod to move to the first in-place position. When the rotating member rotates towards the open position, the first abutting member (102) can be spaced apart from the first pressing rod; A second abutting member (101) is fixedly connected to a side of the enclosing door (100) close to the rotation axis, and the rotating member swinging between the closed position and the open position can selectively push the second pressing rod through the second abutting member (101). When the rotating member is in the closed position, the second abutting member (101) is spaced apart from the second pressing rod, and when the rotating member rotates towards the open position, the second abutting member (101) can push the second pressing rod, causing the second pressing rod to displace and leave the second in-place position.

2. The stroke detection structure according to claim 1, characterized in that, Both the first travel switch (350) and the second travel switch (360) are disposed on one side of the closing plane, and the open position is located on the other side of the closing plane.

3. Enclosure device, characterized in that, It includes a door lock assembly, a control module, and the stroke detection structure according to claim 1 or 2; the door lock assembly has a locked state and an unlocked state. When the door lock assembly is in the locked state, the rotating member located at the closed position cooperates with the enclosure fence (200) to lock; the control module is communicatively connected to the door lock assembly and the stroke detection structure. When the stroke detection structure is in the normal state and the door lock assembly is in the locked state, the control module outputs an indication signal of the working mode; Otherwise, the control module outputs an indication signal of the stop mode.

4. The enclosure device according to claim 3, characterized in that, The door lock assembly includes an electromagnetic lock (330) and an operation key (340); one side of the enclosure door (100) close to the rotation axis is hinged to the enclosure fence (200) through a rotating hinge, and the operation key (340) is movably installed on the side of the enclosure door (100) far from the rotation axis. The electromagnetic lock (330) is installed on the enclosure fence (200). When the door lock assembly is in the locked state, the operation key (340) is locked to the electromagnetic lock (330) in a matching manner.

5. The enclosure device according to claim 3, characterized in that, One side of the closed plane is the outer side, and the other side is the inner side; the door lock assembly, the first travel switch (350), and the second travel switch (360) are all arranged on the inner side, and the open position is on the outer side.

6. The enclosure device according to claim 3, characterized in that, The enclosure device further includes a control panel, the control panel is installed on the enclosure fence (200), and an opening and closing switch (310) is provided on the control panel. The opening and closing switch (310) is used to control the door lock assembly to switch between the locked state and the unlocked state.

7. The enclosure device according to claim 6, characterized in that, An indicator light is provided on the opening and closing switch (310). When the control module outputs the indication signal of the working mode, the indicator light goes out. When the control module outputs the indication signal of the stop mode, the indicator light lights up.

8. The enclosure device according to claim 6, characterized in that, An emergency stop switch (320) communicatively connected to the control module is further provided on the control panel. The emergency stop switch (320) is used to control the control module to output the indication signal of the stop mode.

9. Protection system, characterized in that, It includes a working module and the enclosure device according to any one of claims 3-8. The working module is communicatively connected to the control module. When the control module outputs the indication signal of the working mode, the working module maintains operation. When the control module outputs the indication signal of the stop mode, the working module stops operation.

10. Injection molding machine equipment, characterized in that, It includes a loading and unloading device and an injection molding machine body that are communicatively connected. The injection molding machine body includes the protection system according to claim 9. The injection molding machine body and the enclosure fence (200) enclose a protection space, and the loading and unloading device is placed in the protection space. When the control module outputs the indication signal of the working mode, the loading and unloading device maintains operation. When the control module outputs the indication signal of the stop mode, the loading and unloading device stops operation.

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